The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 1993
Filed:
Apr. 02, 1992
Applicant:
Inventors:
Assignee:
Haarmann & Reimer GmbH, Holzminden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
512-6 ; 558374 ; 558432 ;
Abstract
New nitriles which are odoriferous substances having an extremely fresh note are accessible by Knoevenagel condensation of 2-cyclopentyl-cyclopentanone and cyanoacetic acid and decarboxylation of the reaction product.